ktomaszewski@zunit.com wrote:
> Robert,
> Changing the archive from Borg::SafeBinOutArchive to
> boost::archive::binary_oarchive will remove a core of the problem. In
> the constructor of Borg::SafeBinOutArchive I call register_type
> method to make my archive know about derived classes it will meet
> during serialization through base class pointers. But the constructor
> of boost::archive::binary_oarchive class doesn't do such things.    

without having seen the code for Borg::SafeBinOutArchive I can't

comment on it.  But it would seem that investigating the differences

between these two archive classes would point to the problem.